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This also fixes a few wrong SPDX license identifiers, where the original
license comment indicates GPL-2.0-only.
This is not done manually, but by running the following script:
---
#!/bin/bash
# Tool to drop license comments, adding SPDX license identifiers, while preserving
# copyright comments. The point is not to manually do this task, but perform some
# hacked up string replacement.
_cp() {
/bin/cp "$@"
}
_cat() {
/bin/cat "$@"
}
in_file() {
local T=$(mktemp)
_cp -f "$1" "$T"
_cat "$T"
rm -f "$T"
}
out_file() {
local T=$(mktemp)
_cat - > "$T"
_cp -f "$T" "$1"
rm -f "$T"
}
join() {
_cat "$@" | awk '{ printf("%s#x#", $0)}'
}
unjoin() {
_cat - | sed 's/#x#/\n/g'
}
files_all() {
git ls-files |
grep -v '\.png$' |
grep -v '^include/linux-private/'
}
adjust() {
NEWLINES='\(#x#\)\+'
COPYRIGHTS='\(\( \* Copyright (c) 20..\(-20..\|, 20..\)\? [^#]\+#x#\)\+\( \*#x# \* \(Stolen[^#]*\|Based on [^#]*\)#x#\)\?\)'
_cat - |
\
sed '1s%^\(/\* SPDX-License-Identifier: LGPL-2.1-only \*/\|\)#x#/\*#x# \* [^#]*#x# \*#x# \*[ ]\+This library is free software; you can redistribute it and/or#x# \*[ ]\+modify it under the terms of the GNU Lesser General Public#x# \*[ ]\+License as published by the Free Software Foundation version 2.1#x# \*[ ]\+of the License.#x# \*#x#'"$COPYRIGHTS"' \*/'"$NEWLINES"'%/\* SPDX-License-Identifier: LGPL-2.1-only \*/#x#/*#x#\2 */#x##x#%' |
\
sed '1s%^/\*#x# \* [^#]*#x# \*#x# \*[ ]\+This library is free software; you can redistribute it and/or#x# \*[ ]\+modify it under the terms of the GNU Lesser General Public#x# \*[ ]\+License as published by the Free Software Foundation version 2.1#x# \*[ ]\+of the License.#x# \*/'"$NEWLINES"'%/\* SPDX-License-Identifier: LGPL-2.1-only \*/#x##x#%' |
\
sed '1s%^\(\)/\*#x# \* [^#]*#x# \*#x# \*[ ]\+This library is free software; you can redistribute it and/or#x# \*[ ]\+modify it under the terms of the GNU Lesser General Public#x# \*[ ]\+License as published by the Free Software Foundation version 2.1#x# \*[ ]\+of the License.#x# \*#x#'"$COPYRIGHTS"' \*/'"$NEWLINES"'%/\* SPDX-License-Identifier: LGPL-2.1-only \*/#x#/*#x#\2 */#x##x#%' |
\
sed '1s%^\(/\* SPDX-License-Identifier: LGPL-2.1-only \*/\|\)#x#/\*#x# \* [^#]*#x# \*#x# \*[ ]\+This library is free software; you can redistribute it and/or#x# \*[ ]\+modify it under the terms of the GNU General Public License as#x# \*[ ]\+published by the Free Software Foundation version 2 of the License.#x# \*#x#'"$COPYRIGHTS"' \*/'"$NEWLINES"'%/\* SPDX-License-Identifier: GPL-2.0-only \*/#x#/*#x#\2 */#x##x#%'
}
FILES=( $(files_all) )
for f in "${FILES[@]}"; do
echo "processing \"$f\"..."
in_file "$f" | join | adjust | unjoin | out_file "$f"
done
|
